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-rw-r--r--drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c52
1 files changed, 14 insertions, 38 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
index 34531169c166..1521812ab15b 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
@@ -10,14 +10,13 @@
* (at your option) any later version.
*/
-#include <linux/module.h>
#include <linux/delay.h>
-#include <linux/spi/spi.h>
-#include <linux/regulator/consumer.h>
-#include <linux/gpio/consumer.h>
#include <linux/err.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
-#include <linux/of_gpio.h>
+#include <linux/spi/spi.h>
#include "../dss/omapdss.h"
@@ -59,7 +58,7 @@ struct panel_drv_data {
struct spi_device *spi;
struct regulator *vcc_reg;
- int nreset_gpio;
+ struct gpio_desc *reset_gpio;
u16 gamma[12];
u32 mode;
u32 vmirror:1;
@@ -282,8 +281,7 @@ static int tpo_td043_power_on(struct panel_drv_data *ddata)
/* wait for panel to stabilize */
msleep(160);
- if (gpio_is_valid(ddata->nreset_gpio))
- gpio_set_value(ddata->nreset_gpio, 1);
+ gpiod_set_value(ddata->reset_gpio, 0);
tpo_td043_write(ddata->spi, 2,
TPO_R02_MODE(ddata->mode) | TPO_R02_NCLK_RISING);
@@ -305,8 +303,7 @@ static void tpo_td043_power_off(struct panel_drv_data *ddata)
tpo_td043_write(ddata->spi, 3,
TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
- if (gpio_is_valid(ddata->nreset_gpio))
- gpio_set_value(ddata->nreset_gpio, 0);
+ gpiod_set_value(ddata->reset_gpio, 1);
/* wait for at least 2 vsyncs before cutting off power */
msleep(50);
@@ -419,26 +416,11 @@ static const struct omap_dss_driver tpo_td043_ops = {
.check_timings = tpo_td043_check_timings,
};
-static int tpo_td043_probe_of(struct spi_device *spi)
-{
- struct device_node *node = spi->dev.of_node;
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- int gpio;
-
- gpio = of_get_named_gpio(node, "reset-gpios", 0);
- if (!gpio_is_valid(gpio)) {
- dev_err(&spi->dev, "failed to parse enable gpio\n");
- return gpio;
- }
- ddata->nreset_gpio = gpio;
-
- return 0;
-}
-
static int tpo_td043_probe(struct spi_device *spi)
{
struct panel_drv_data *ddata;
struct omap_dss_device *dssdev;
+ struct gpio_desc *gpio;
int r;
dev_dbg(&spi->dev, "%s\n", __func__);
@@ -460,10 +442,6 @@ static int tpo_td043_probe(struct spi_device *spi)
ddata->spi = spi;
- r = tpo_td043_probe_of(spi);
- if (r)
- return r;
-
ddata->mode = TPO_R02_MODE_800x480;
memcpy(ddata->gamma, tpo_td043_def_gamma, sizeof(ddata->gamma));
@@ -473,16 +451,14 @@ static int tpo_td043_probe(struct spi_device *spi)
return PTR_ERR(ddata->vcc_reg);
}
- if (gpio_is_valid(ddata->nreset_gpio)) {
- r = devm_gpio_request_one(&spi->dev,
- ddata->nreset_gpio, GPIOF_OUT_INIT_LOW,
- "lcd reset");
- if (r < 0) {
- dev_err(&spi->dev, "couldn't request reset GPIO\n");
- return r;
- }
+ gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(gpio)) {
+ dev_err(&spi->dev, "failed to get reset gpio\n");
+ return PTR_ERR(gpio);
}
+ ddata->reset_gpio = gpio;
+
r = sysfs_create_group(&spi->dev.kobj, &tpo_td043_attr_group);
if (r) {
dev_err(&spi->dev, "failed to create sysfs files\n");